Choose one of the four lines graphed which most closely resembles the graph of the given equation.y = -3x
A.
B.
C.
D.
Answer: D
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Solve the problem.Find an equation for the level curve of the function f(x, y) = 25 - x2 - y2 that passes through the point .
A. x2 + y2 = - 7 B. x2 - y2 = 7 C. x2 + y2 = 7 D. x2 + y2 = 32
Solve the problem.A boat has a capacity of 3000 pounds. If a passenger averages 160 pounds, and a piece of cargo averages 50 pounds, write an inequality that describes when x passengers and y pieces of cargo will cause the boat to be overloaded. Graph the inequality. Because x and y must be positive, limit the graph to quadrant I only.
A. 160x + 50y < 3000
B. 160x + 50y ? 3000
C. 160x + 50y > 3000
D. 160x + 50y ? 3000
Find all rational zeros and factor f(x).f(x) = x3 - 8x2 - x + 8
A. 1, -1, 8; f(x) = (x - 1)(x + 1)(x - 8) B. 1, -2, 10; f(x) = (x - 1)(x + 2)(x - 10) C. 1, -1, -9; f(x) = (x - 1)(x + 1)(x + 9) D. 1, -1, -8; f(x) = (x - 1)(x + 1)(x + 8)
Solve the problem.Solve the formula P = s1 + s2 + s3 for s3.
A. s3 = P + s1 + s2 B. s3 = s1 + s2 - P C. s3 = P - s1 - s2 D. s3 = s1 + P - s2